This manual covers the Bruin 250 4x2 All-Terrain Vehicle (ATV) for the 2005 and 2006 model years. The Bruin 250 is a rear-wheel-drive utility ATV known for its reliable performance and straightforward design, making it suitable for a variety of tasks and recreational uses. Engineered to offer dependable service and ease of operation, building on a reputation for quality and durability. This comprehensive service and repair workshop manual provides in-depth information essential for the maintenance and repair of your Bruin 250 4x2. It details procedures for all major systems, including the engine, fuel, ignition, cooling, transmission, drivetrain, suspension, steering, braking, and electrical systems. The manual includes routine maintenance schedules, troubleshooting guides, component overhaul instructions, and technical specifications with detailed diagrams and illustrations, empowering owners and technicians to keep the vehicle in optimal condition. 🏷️ Basic Information Identification Make: Yamaha Model: Bruin 250 4x2 Model Variant: ATV Model Years Covered: 2005-2006 Vehicle Type: All-Terrain Vehicle (ATV) Drive Type: 4x2 (Rear-Wheel Drive) Codes Chassis Code: YFA250 👋 Introduction Market Position Target User: Yamaha Bruin 250 4x2 owners, DIY mechanics, and professional technicians. Value Proposition: Provides comprehensive, factory-level repair and maintenance information for all aspects of the vehicle, enabling cost-effective ownership and optimal performance. Competitive Analysis Advantage: Offers complete coverage without limitations, unlike trial versions or partial manuals, with lifetime access. Key Features Manual Quality: Factory-level detail with hundreds of pages, photos, and diagrams. Accessibility: Instant PDF download for immediate use on multiple devices. 📋 Manual Details Coverage Areas Manual Type: Full Service & Repair Workshop Manual Language: English Format: PDF Download Licensing: Lifetime Use, No Expiry Platform Compatibility: Windows and MAC Computers, Tablets, Smartphones Printability: Printable (single pages or entire manual) Device Compatibility: Unlimited Devices 📖 Manual Coverage Systems Covered Engine Mechanical: Full disassembly, inspection, repair, and reassembly of engine components. Fuel System: Carburetor tuning, fuel pump, fuel lines, fuel tank inspection and cleaning. Ignition System: CDI unit, spark plug, ignition coil testing and replacement. Cooling System: Radiator, fan, thermostat, coolant flow analysis. Transmission Drive: CVT system (Variator, Drive Belt, Driven Pulley) maintenance and adjustment. Drivetrain: Drive shaft, differential maintenance and repair. Suspension System: Front and rear suspension components, shock absorbers, bushings, ball joints. Steering System: Handlebar, steering shaft, tie rods, steering knuckle inspection and repair. Braking System: Front and rear brake calipers, master cylinder, brake lines, brake pads, brake fluid bleeding. Electrical System: Wiring diagrams, battery, starter motor, alternator, lighting, fuses, switches. Body And Frame: Frame inspection, body panel removal/installation, fender, racks. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication, chain adjustment (if applicable), spark plug replacement, air filter cleaning/replacement. Troubleshooting Guides: Systematic diagnostic procedures for common and uncommon issues, including starting problems, poor performance, electrical faults. Component Overhaul: Detailed procedures for rebuilding or overhauling specific components like the carburetor, brake system, or engine. Specifications Data: Torque specifications, clearances, fluid capacities, electrical values. Diagrams Illustrations: Hundreds of high-quality, detailed photos and exploded diagrams for visual guidance. Technical Depth Depth Level: Comprehensive Professional Level Diagnostic Capabilities: Advanced diagnostic procedures, fault code interpretation (where applicable). Repair Scope: Covers all repairs from minor adjustments to major component overhauls and rebuilds. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely Searchable Text (standard for professional PDF manuals) Print Quality Image Resolution: High-resolution for clear visibility of diagrams and photos. Binding Type Binding Method: Digital Download (no physical binding) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, Air-cooled Displacement: 249.6 cc Bore X Stroke: 72.0 mm x 61.1 mm Compression Ratio: 9.2:1 Performance Horsepower Approximate: 15.8 HP @ 6,500 RPM (Estimate, may vary slightly by year/tuning) Torque Approximate: 17.6 Nm @ 5,000 RPM (Estimate, may vary slightly by year/tuning) Fuel System Fuel Delivery: Teikei Y26PV Carburetor Fuel Type: Unleaded gasoline (minimum Octane Rating 87) Fuel Tank Capacity: 11.0 L (2.9 gal) Oil Specifications Engine Oil Type: Yamalube 4 (or equivalent SAE 10W-40 API SG or higher) Engine Oil Capacity: 1.8 L (1.9 US qt) without filter change; 1.9 L (2.0 US qt) with filter change 🔧 Transmission Standard Transmission Type: Automatic Continuously Variable Transmission (CVT) Drive Selection: Forward, Neutral, Reverse Features Clutch Type: Automatic centrifugal clutch 📐 Dimensions Exterior Length: 1,984 mm (78.1 in) Width: 1,065 mm (41.9 in) Height: 1,130 mm (44.5 in) Wheelbase: 1,230 mm (48.4 in) Weights Curb Weight: 235 kg (518 lbs) Front Tire Size: AT22x7-10 Rear Tire Size: AT22x10-10 Ground Clearance: 185 mm (7.3 in) Towing Capacity: Not Recommended or Specified (typical for this class) 💡 Technology Features Infotainment Infotainment Features: N/A (Basic utility ATV, typically no electronic infotainment features). Driver Assistance Driver Assistance Systems: N/A (Basic utility ATV, no electronic driver assistance). Connectivity Connectivity Features: N/A (No electronic connectivity features). 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000 km (1,800 miles) or 6 months. Air Filter Cleaning: Every 1,000...